The element 108, known as hassium, does not occur in nature and must be created in a particle accelerator. It was invented in 1984 and produced by firing magnesium atoms at curium atoms. Hassium atoms...
More than 1.2 billion students in 186 countries will have an impact in education because of COVID-19. This opens up the opportunity for greater online education. Global investments in education...
A mixture of chemicals was used for the first time to make a low level of explosives in China before 1000 A.D. Fireworks were used in military explosive and construction blasting. The main company for...